Revise C++ coding style using clang-format-15

Run the `clang-format.bash` script to update all our C and C++ code to a
new style defined by `.clang-format`.  Use `clang-format` version 15.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

Fixes: #24315

1 files changed, 1 insertions, 1 deletions

diff --git a/Tests/CompileFeatures/cxx_attributes.cpp b/Tests/CompileFeatures/cxx_attributes.cpp
index 1434317..543a3f5 100644
--- a/Tests/CompileFeatures/cxx_attributes.cpp
+++ b/Tests/CompileFeatures/cxx_attributes.cpp
@@ -1,5 +1,5 @@
 
-void unusedFunc[[noreturn]]()
+void unusedFunc [[noreturn]] ()
 {
   throw 1;
 }